TMS FNC Maps v2.4 adds support for a new geocoding and directions service in addition to the existing supported directions services from Azure, Bing, Google, Here, MapBox and OpenRouteService.
The GeoApify API service provides geocoding, reverse geocoding and directions. This service can be used in combination with all supported mapping services in TMS FNC Maps. Specifically in combination with the OpenLayers mapping service this is a worthwhile free alternative to comparable services.